void RestorePrototypes()
{
if (templateMaterial != null)
{
Texture2DArray diffuseArray = templateMaterial.GetTexture("_Diffuse") as Texture2DArray;
if (diffuseArray != null)
{
var cfg = JBooth.MicroSplat.TextureArrayConfig.FindConfig(diffuseArray);
if (cfg != null)
{
int count = cfg.sourceTextures.Count;
if (count > 32)
{
count = 32;
}
#if UNITY_2018_3_OR_NEWER
var protos = terrain.terrainData.terrainLayers;
bool needsRefresh = false;
if (protos.Length != count)
{
needsRefresh = true;
}
if (!needsRefresh)
{
for (int i = 0; i < protos.Length; ++i)
{
if (protos[i] == null)
{
needsRefresh = true;
break;
}
if (protos[i] != null && cfg.sourceTextures[i] != null && protos[i].diffuseTexture != cfg.sourceTextures[i].diffuse)
{
needsRefresh = true;
break;
}
}
}
if (needsRefresh)
{
Vector4 v4 = templateMaterial.GetVector("_UVScale");
Vector2 uvScales = new Vector2(v4.x, v4.y);
uvScales = MicroSplatRuntimeUtil.UVScaleToUnityUVScale(uvScales, terrain);
protos = new TerrainLayer[count];
for (int i = 0; i < count; ++i)
{
string path = UnityEditor.AssetDatabase.GetAssetPath(cfg);
path = path.Replace("\\", "/");
path = path.Substring(0, path.LastIndexOf("/"));
path += "/microsplat_layer_";
path = path.Replace("//", "/");
if (cfg.sourceTextures[i].diffuse != null)
{
path += cfg.sourceTextures[i].diffuse.name;
}
path += "_" + i;
path += ".terrainlayer";
TerrainLayer sp = UnityEditor.AssetDatabase.LoadAssetAtPath <TerrainLayer>(path);
if (sp != null)
{
if (sp.diffuseTexture == cfg.sourceTextures[i].diffuse)
{
protos[i] = sp;
continue;
}
}
sp = new TerrainLayer();
sp.diffuseTexture = cfg.sourceTextures[i].diffuse;
sp.tileSize = uvScales;
if (cfg.sourceTextures[i].normal != null)
{
sp.normalMapTexture = cfg.sourceTextures[i].normal;
}
protos[i] = sp;
UnityEditor.AssetDatabase.CreateAsset(sp, path);
}
terrain.terrainData.terrainLayers = protos;
UnityEditor.EditorUtility.SetDirty(terrain);
UnityEditor.EditorUtility.SetDirty(terrain.terrainData);
}
#else
var protos = terrain.terrainData.splatPrototypes;
bool needsRefresh = false;
if (protos.Length != count)
{
needsRefresh = true;
}
if (!needsRefresh)
{
for (int i = 0; i < protos.Length; ++i)
{
if (protos[i].texture != cfg.sourceTextures[i].diffuse)
{
needsRefresh = true;
}
}
}
if (needsRefresh)
{
Vector4 v4 = templateMaterial.GetVector("_UVScale");
Vector2 uvScales = new Vector2(v4.x, v4.y);
uvScales = MicroSplatRuntimeUtil.UVScaleToUnityUVScale(uvScales, terrain);
protos = new SplatPrototype[count];
for (int i = 0; i < count; ++i)
{
SplatPrototype sp = new SplatPrototype();
sp.texture = cfg.sourceTextures[i].diffuse;
sp.tileSize = uvScales;
if (cfg.sourceTextures[i].normal != null)
{
sp.normalMap = cfg.sourceTextures[i].normal;
}
protos[i] = sp;
}
terrain.terrainData.splatPrototypes = protos;
UnityEditor.EditorUtility.SetDirty(terrain);
UnityEditor.EditorUtility.SetDirty(terrain.terrainData);
}
#endif
}
}
}
}
void RestorePrototypes()
{
if (templateMaterial != null)
{
Texture2DArray diffuseArray = templateMaterial.GetTexture("_Diffuse") as Texture2DArray;
if (diffuseArray != null)
{
var cfg = JBooth.MicroSplat.TextureArrayConfig.FindConfig(diffuseArray);
if (cfg != null)
{
int count = cfg.sourceTextures.Count;
if (count > 16)
{
count = 16;
}
// see if we match
var protos = terrain.terrainData.splatPrototypes;
bool needsRefresh = false;
if (protos.Length != count)
{
needsRefresh = true;
}
if (!needsRefresh)
{
for (int i = 0; i < protos.Length; ++i)
{
if (protos[i].texture != cfg.sourceTextures[i].diffuse)
{
needsRefresh = true;
}
}
}
if (needsRefresh)
{
Vector4 v4 = templateMaterial.GetVector("_UVScale");
Vector2 uvScales = new Vector2(v4.x, v4.y);
uvScales = MicroSplatRuntimeUtil.UVScaleToUnityUVScale(uvScales, terrain);
protos = new SplatPrototype[count];
for (int i = 0; i < count; ++i)
{
SplatPrototype sp = new SplatPrototype();
sp.texture = cfg.sourceTextures[i].diffuse;
sp.tileSize = uvScales;
if (cfg.sourceTextures[i].normal != null)
{
sp.normalMap = cfg.sourceTextures[i].normal;
}
protos[i] = sp;
}
terrain.terrainData.splatPrototypes = protos;
UnityEditor.EditorUtility.SetDirty(terrain);
UnityEditor.EditorUtility.SetDirty(terrain.terrainData);
}
}
}
}
}